Matching (9) Match items in column A to column B

Column a Column b
1.
A.
Crust
2.
B.
Outer Core
3.
C.
Mantle
4.
D.
Inner Core
5.
E.
Lithosphere
6.
F.
Dense
7.
G.
Core
8.
H.
Asthenosphere
9.
I.
Convection